JPH0798039A - Reversible hydraulic type clutch mechanism for marine engine - Google Patents

Abstract

PURPOSE:To prevent the length of a reversible hydraulic clutch mechanism to be long, and easily inspect and replace vibrationproof elastic bodies. CONSTITUTION:For connecting the input shaft of a hydraulic clutch mechanism to the flywheel 37 of an engine, a rubber block ring 10 is fittedly fixed to the back face of the flywheel 37, vibrationproof elastic bodies 44 are fitted into inserting holes, the engaging projections of a rubber block spider 9 is fitted in the fitting groove, so as to enable the rubber block ring 10 to be drawn out backward in the condition of leaving the rubber block spider 9 and the vibrationproof elastic bodies 44. Further, a take-out cutout part 37a is provided on one part of the flywheel, and the rubber block spider 9 is rotationally moved to the position of the take-out cutout part 37a, so as to enable the vibrationproof elastic body 44 to be fitted or detached. In addition, the rubber block spider 9 is fixed to the back face of an input joint 39 fixed to the input shaft, so as to enable it to be drawn out backward from the flywheel together with the vibrationproof elastic bodies 44.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reversible hydraulic clutch mechanism for a marine engine which switches the rotation of a low speed engine mounted on a ship between forward and reverse.

[0002]

2. Description of the Related Art Conventionally, a technique relating to a reversible hydraulic clutch mechanism for a marine engine has been publicly known. For example, Japanese Utility Model Publication No. 59-11943 and Japanese Utility Model Publication No. 48-
The technique is described in JP-A-108035 and JP-A-63-43048. Further, as a technique for interposing a vibration-proof elastic body at a connecting portion between a flywheel and an input shaft of the marine engine, a technique such as Japanese Utility Model Publication No. 4-7382 is known.

[0003]

SUMMARY OF THE INVENTION According to the present invention, when the vibration-proof elastic body interposed between the flywheel of the engine and the input shaft for cushioning the impact is sagging, the vibration-proof elastic body is inspected. In order to facilitate repair and replacement, the rubber block ring is placed inside the flywheel and the flywheel and the rubber block ring are overlapped so that the length of the reversible hydraulic clutch mechanism of the marine engine does not become long. In addition, it is easy to inspect and replace the vibration-proof elastic body.

[0004]

The present invention is configured as follows to solve the above problems. That is, claim 1
In order to connect the input shaft 1 of the hydraulic clutch mechanism to the flywheel 37 of the engine, the flywheel 37
The rubber block ring 10 is fitted and fixed on the rear surface of the rubber block ring 10, and the vibration-proof elastic body 4 is inserted into the fitting hole 10a of the rubber block ring 10.
4 is inserted, and the engagement protrusion 9a of the rubber block spider 9 is fitted in the fitting groove 44a of the vibration-proof elastic body 44, with the rubber block spider 9 and the vibration-proof elastic body 44 left. The rubber block ring 10 can be pulled out rearward, and a take-out notch 37a is formed in a part of the flywheel 37 to make the rubber block spider 9
The vibration-proof elastic body 4 is rotated by rotating it to the position of the cutout 37a.
4 is removable.

According to the second aspect, the rubber block spider 9 is fixed to the rear surface of the input joint 39 fixed to the input shaft 1, the rubber block spider 9 is removed from the input joint 39, and together with the vibration-proof elastic body 44. Flywheel 37
It is possible to pull out from the rear.

According to the third aspect of the present invention, in the structure in which the output shaft 2 bearing the same shaft center as the input shaft 1 and rotatably supported by the input shaft 1 is rotatably supported by the clutch case 50, the bearing of the output shaft 2 is provided in the front portion. The small-diameter conical roller bearing 48 and the rear large-diameter conical roller bearing 49 constitute a double-row conical roller bearing.

[0007]

[Operation] Next, the operation will be described. That is, according to the first aspect, by pulling out either the rubber block ring 10 or the rubber block spider 9 rearward, the vibration-proof elastic body 44 can be released in a detachable state. , The reversible hydraulic clutch mechanism is lifted and moved backward, or the engine or flywheel 37 is lifted and moved forward, so that the vibration-proof elastic body 44
There is no need to open the door, which simplifies inspection and repair.

According to the second aspect, by pulling out the rubber block ring 10 rearward, the vibration-proof elastic body 44 and the rubber block spider 9 can be freely moved to the flywheel 37.
Since the flywheel 37 is provided with a take-out notch 37a, the vibration-proof elastic body 44 at a position facing the take-out notch 37a is removed and replaced with a new one. You can do it.

According to the third aspect, the vibration-proof elastic body 44 between the rubber block ring 10 and the rubber block spider 9 can be released only by removing the rubber block spider 9 from the input joint 39 and retracting it backward. Can
The vibration-proof elastic body 44 can be easily replaced.

According to claim 4, conventionally, the conical roller bearing 49 which calculates the load during forward movement and receives the forward forward load at the rear portion
The conical roller bearing that determines the size of the front side and receives the reverse load on the front side had the same size as that for the forward movement of the rear part, but since the load when moving backward is small and the frequency of use is low, a small diameter It is now possible to use a small conical roller bearing 48. Further, as a result, the space for projecting the portion of the small diameter conical roller bearing 48 inside the clutch case 50 is reduced, so that the total length can be shortened.

[0011]

EXAMPLES Next, examples will be described. 1 is an overall side sectional view of a reversible hydraulic clutch mechanism for a marine engine of the present invention, FIG. 2 is an enlarged sectional view of a forward hydraulic clutch device, a reverse hydraulic clutch device, and a planetary gear type reverse rotating mechanism portion, and FIG. A of 1
FIG. 4 is an enlarged cross-sectional view showing the configuration of the flywheel 37, the rubber block ring 10 and the rubber block spider 9, and FIG. 5 is another embodiment of the rubber block ring 10 and the rubber block spider 9. FIG. 6 is a view showing a variable pitch propeller mechanism,
FIG. 7 is a drawing showing the configuration in which only the clutch mechanism and the variable pitch propeller lubrication cylinder 52 for the variable pitch propeller mechanism are provided. FIG. 7 shows the variable pitch propeller lubrication for the variable pitch propeller mechanism outside the clutch case 50. FIG. 8 is a view showing a configuration in which a cylinder 55 is provided, FIG. 8 is an external perspective view of the vibration-proof elastic body 44, FIG. 9 is a cross-sectional view of the vibration-proof elastic body 44, and FIG. 10 is a view showing a pressure applied to the inspection / repair window 50a and the reverse hydraulic clutch device. 11 is a sectional view of a portion of the oil piping 80, FIG. 11 is a sectional view taken along the line BB in FIG. 1, and FIG. 12 is an embodiment in which the carrier 8 is divided into a front carrier 8c and a rear carrier 8d and integrated by a connecting body 83. FIG. 13 is a side sectional view of the front carrier 8c and the rear carrier 8d, and FIG. 14 is a rear view showing the flywheel 37 and the takeout notch 37a.

Referring to FIG. 1, the general construction of a reversible hydraulic clutch mechanism for a marine engine will be described. During transmission of power from the flywheel 37 of the engine to the output joint 51, a forward hydraulic clutch device, a reverse hydraulic clutch device, and a planetary gear type reverse rotation mechanism are arranged inside the clutch case 50. The forward hydraulic clutch device is arranged on the outer circumference of the output shaft 2, and the reverse hydraulic clutch devices are overlapped on the outer circumference of the forward hydraulic clutch device. A forward hydraulic clutch device and a reverse hydraulic clutch device are arranged in parallel in a portion where they are overlapped, and a planetary gear type reverse rotation mechanism constituted by a carrier 8 and a pinion is arranged in series on the outer periphery of the rear portion of the output shaft 2.

An engine is arranged on the front surface of the flywheel 37, and a rubber block ring 10 is fixed to the rear surface of the flywheel 37. A rubber block spider 9 is provided on the rubber block ring 10 via a vibration-proof elastic body. A shock-damping mechanism is configured by interposing a vibration-proof elastic body between the rubber block ring 10 and the rubber block spider 9. The rubber block spider 9 is fixed to the input joint 39. The input joint 39 is locked to the input shaft 1 by hydraulic fitting, and the input joint 39 and the transfer cylinder 38 are in close contact with each other. An input lid 42 is fitted around the transfer cylinder 38, and a lubricating oil passage and a forward oil passage are connected to the input lid 42 from the hydraulic pressure switching valve by piping.
The oil passage of the input lid 42 and the oil passage of the transfer cylinder 38 are rotatably connected to each other.

The input shaft 1 and the output shaft 2 are supported by bearings via a bearing 32 so that they can rotate differently on the same axis. A forward hydraulic clutch device is arranged in a donut shape on the outer periphery of the output shaft 2, and a reverse hydraulic clutch device is arranged in parallel in a donut shape on the outer periphery of the forward hydraulic clutch device. In addition, a planetary gear type reversing mechanism constituted by a carrier 8 and a pinion in series is arranged at the rear of the output shaft 2 in parallel with the forward hydraulic clutch device and the reverse hydraulic clutch device. The planetary pinion 16 and the reverse rotation pinion 14 are pivotally supported by the planetary gear shaft 15 and the reverse rotation planetary gear shaft 45 installed on the carrier 8, and a clutch case 50 is provided in the clutch case 50 for facilitating inspection, repair and replacement of these planetary gears. The inspection lid 50a is configured.

The output shaft 2 is first pivotally supported on the input shaft 1 by a small diameter conical roller bearing 48, and then supported in a double row by a large diameter conical roller bearing 49 in the subsequent stage. The large diameter conical roller bearing 49 is covered with an output shaft lid 59. The output shaft 2
The output joint 5 at the portion where it protrudes from the clutch case 50.
1 is fixed. Conventionally, the load at the time of forward movement is calculated to determine the size of the conical roller bearing 49 which receives the forward load of the rear portion, and the conical roller bearing which receives the rearward load of the front side has the same size as that for the forward movement of the rear portion. However, since the load when traveling in reverse is small and the frequency of use is low, it is possible to use a small-sized small diameter conical roller bearing 48. This also allows the clutch case 5
Since the space for projecting the portion of the small diameter conical roller bearing 48 into the inside of 0 is reduced, the total length can be shortened.

Next, referring to FIG. 4, details of the flywheel 37 and the rubber block ring 10 will be described. The rubber block ring 10 is fitted on the rear surface of the flywheel 37. The rubber block ring 1
A fitting hole 10 a for fitting the vibration-proof elastic body 44 is bored in the inner diameter portion of 0, and the fitting groove 44 inside the vibration-proof elastic body 44.
The engagement protrusion 9a of the rubber block spider 9 is fitted in a. The vibration-proof elastic body 44 requires maintenance and inspection replacement, and only the rubber block ring 10 can be pulled out rearward while the rubber block spider 9 remains fixed to the input joint 39.

By pulling out the rubber block ring 10, the engagement protrusion 9a of the rubber block spider 9 is pulled out.
Since the vibration-proof elastic body 44 remains attached to the portion of the flywheel 37, it remains inside the flywheel 37. Therefore, when the engaging projection 9a is rotated to the take-out notch 37a provided in the flywheel 37, the vibration-proof elastic body is formed. It is possible to remove and replace 44. In this structure, the rubber block ring 1
Since 0 can be pulled out rearward, it is not necessary to remove the rubber block spider 9 from the input joint 39, and the rubber block spider 9 is fixed to the engine side surface of the input joint 39.

First, the transfer cylinder 38 is fitted to the input shaft 1, and then the input joint 39 is fitted and fixed to the front portion by hydraulic fitting. An input lid 42 is fitted over the outer circumferences of the transfer cylinder 38 and the input joint 39. Since the input lid 42 is integrated with the clutch case 50, it does not rotate together with the input shaft 1 and the forward passages 60, 62 are provided between the input cylinder 42 and the transfer cylinder 38 rotating together with the input shaft 1. , And the lubricating oil passages 61 and 63 are inherited. The lubricating oil passages 61 and 63 are formed by closing a groove oil passage formed on the joint surface between the inheriting cylinder 38 and the input joint 39 at the joint surface.

A hydraulic oil pump 40 is fixed to the front surface of the clutch case 50. The hydraulic oil pump 40 is driven by a pump shaft 41. Pressure oil from the pump shaft 41 is supplied to the forward oil passages 60 and 62, the lubricating oil passages 61 and 63, and the reverse oil passage 65 via the switching control valve.

Next, referring to FIG. 2, detailed configurations of the forward hydraulic clutch device, the reverse hydraulic clutch device, and the planetary gear type reverse rotation mechanism will be described. The input shaft 1 is formed in a brim shape, and a forward-moving actuator 3 is fitted to the outer periphery of a portion that pivotally supports the front end of the output shaft 2 via a bearing 32 inside.
The advancing actuator 3 has a donut shape. In the cylinder constituted by the input shaft 1 and the forward movement actuator 3, the forward movement oil passage 6 of the above-mentioned inheriting cylinder 38 is provided.
Pressure oil is supplied from 0.62 through the forward oil passage 21 formed in the input shaft 1.

By projecting the advancing actuator 3, the advancing friction plate mechanism 6 is pressed and brought into contact with the input shaft 1.
The rotation of the forward clutch housing 11 integrated with
It is transmitted to the forward friction plate locking ring 7. Since the forward friction plate locking ring 7 is fixed to the output shaft 2 by hydraulic fitting, the rotation of the input shaft 1 is transmitted to the output shaft 2 via the forward friction plate mechanism 6. . An oil passage 27 formed in the output shaft 2 is an oil passage for hydraulically fitting the forward friction plate locking ring 7.

During forward movement, power is transmitted from the input shaft 1 through the forward clutch housing 11 and the forward friction plate mechanism 6 by driving the forward friction plate locking ring 7 and the output shaft 2. When the vehicle is moving backward, the friction plate mechanism 6 for forward movement is released, and the friction plate mechanism 5 for backward movement is pressed and joined by the actuator 4 for backward movement. That is, the forward clutch housing 11 has the forward clutch housing cover 1
8 is fixed. A reverse drive gear 17 is integrated with the forward clutch housing cover 18.

Up to the reverse drive gear 17, the input drive shaft 1 rotates integrally with the rotation of the input shaft 1. The planetary pinion 16 of the planetary gear shaft 15 meshes with the reverse drive gear 17. The planet pinion 16 is in constant mesh with half of the reverse pinion 14 on the reverse planet gear shaft 45. The reverse pinion 14
The other half is engaged with the reverse driven gear 13. When the forward friction plate mechanism 6 is joined and the reverse friction plate mechanism 5 is separated, the reverse drive gear 17 moves to the planetary pinion 1.
6, the planetary pinion 16 engages the reverse rotation pinion 14, and the output shaft 2 of the reverse driven gear 13 is rotating forward. Therefore, the rotational speeds of the reverse drive gear 17 and the reverse driven gear 13 are It is the same, and the planetary pinion 16 is also the reverse pinion 1
4 also does not rotate, and the carrier 8 rotates at the same rotation speed as the forward rotation of the output shaft 2.

In the case of the reverse drive, when the forward friction plate mechanism 6 is separated and the reverse friction plate mechanism 5 is joined, the rotation of the input shaft 1 causes the forward clutch housing 11 to move to the forward clutch housing cover 18. Through the reverse drive gear 17
And the reverse drive gear 17 rotates the planet pinion 16. At this time, the carrier 8 is fixed to the reverse clutch housing 12 by the reverse friction plate mechanism 5, and the reverse clutch housing 12 is fixed to the clutch case 50, so that the carrier 8 cannot rotate. Since the carrier 8 does not revolve, the planetary gear shaft 15 and the reverse rotation planetary gear shaft 45 do not revolve, and rotation is started to forcibly rotate the reverse driven gear 13 in the reverse rotation direction.

Reverse rotation of the reverse driven gear 13 rotates the output shaft 2 to obtain reverse rotation. Further, in the present invention, since the reversing mechanism is constituted by the planetary gear type reversing mechanism, the number of teeth of the planet pinion 16 and the reversing pinion 14 can be freely changed in design to reduce the reverse rotation with respect to the rotation of the input shaft 1. The ratio can be changed.
In the present invention, the reduction ratio is set to 1 or more so that the reverse rotation is slightly slower than the forward rotation. As a result, it is possible to solve the problem that when the vehicle is switched from forward to reverse, inertial navigation causes an excessive load on the propeller at the time of reverse travel and engine stall occurs. The reverse clutch housing 12 is integrally fixed to the clutch case 50, and hydraulic oil is supplied to the reverse oil passage 65 provided in the reverse clutch housing 12 by piping. The reverse actuator 4 is normally urged toward the distant side by the distant urging spring 36.

The reverse clutch housing 12 is covered with a reverse clutch housing cover 19 to prevent the reverse friction plate mechanism 5 from coming out between the reverse clutch housing 12 and the cover 19. The inner diameter of the reverse friction plate mechanism 5 is locked to the reverse friction plate locking ring 8a protruding from the carrier 8. By constructing the reverse side friction plate locking ring 8a on the carrier 8, the forward hydraulic clutch device and the reverse hydraulic clutch device can be arranged in parallel, and the planetary gear type reverse rotation mechanism can be arranged in series as in the present invention. Of.

A bearing 33 is fitted on the outer periphery of the joint surface between the forward clutch housing cover 18 and the reverse drive gear 17, and the front portion of the carrier 8 is pivotally supported by the bearing 33. The rear portion of the carrier 8 is pivotally supported by a bearing 34 fitted on the output shaft 2. The lubricating oil passages 61 and 63 for the input shaft 1
Therefore, the oil of the carrier 8 is passed through the lubricating oil passage 66 of the input shaft 1 and is inherited at the pivotal support portion of the input shaft 1 and the output shaft 2 from the lubricating oil passage 22 of the output shaft 2 to the oil passage 23. It is inherited on road 24. From the oil passage 24 of the carrier 8 through the oil passages 25 and 68 in the planetary gear shaft 15 and the reverse planetary gear shaft 45, the oil passages 26 and 47 in the rearward side friction plate locking ring 8a portion.
To guide you. From the oil passage 26, the reverse friction plate mechanism 5
Lubricating oil is being discharged to the inner diameter part of.

The oil passage 35 formed in the output shaft 2 of FIG.
Through the oil passage 67 of the forward friction plate locking ring 7, the lubricating oil is discharged to the inner diameter portion of the forward friction plate mechanism 6 to lubricate the forward friction plate mechanism 6. The lubricating oil from the oil passage 67 passes through the oil passage 29 of the forward clutch housing 11,
When the forward clutch housing 11 is rotated, it is jetted out, and the lubricating oil reaches the inside of the reverse side friction plate locking ring 8a, and the lubricating oil in this path also lubricates the reverse friction plate mechanism 5.

Next, the construction of the carrier 8, the planet pinion 16 and the planetary gear shaft 15 will be described with reference to FIG. The front and rear parts of the carrier 8 are integrally connected by a connecting part 8b, and a planetary pinion 16 and a planetary gear shaft 15 are set as a set to support the bearing between them. Carrier 8 like this
By integrating the above, the carrier 8 can be downsized.

In FIG. 5, the rubber block ring 1
0 shows another mechanism of 0 and the rubber block spider 9. In FIG. 4, the rubber block ring 10 can be pulled out, but in FIG. 5, the rubber block spider 9 is fixed to the rear surface of the input joint 39 by bolts, and the rubber block spider 9 is removed, It is possible to evacuate to the rear. Then, as shown in 9 ', when the rubber block spider 9 is lowered rearward, it can be taken out rearward with the vibration-proof elastic body 44 attached to the engaging projection 9a.
4 can be exchanged. With this configuration, it is not necessary to lift the clutch case 50 by a crane or move the engine and the flywheel 37 forward when the vibration-proof elastic body 44 is inspected and replaced.

The variable pitch propeller mechanism is a mechanism capable of switching between forward and reverse by changing the propeller angle. In this case, it is not necessary to provide a reverse hydraulic clutch device inside the clutch case 50. . In the present invention, when such a variable pitch propeller mechanism is provided, only the forward hydraulic clutch device is left and the reverse hydraulic clutch device and the planetary gear type reverse mechanism are removed, even though the clutch case 50 is the same. A variable pitch propeller oil supply cylinder 52 for the variable pitch propeller mechanism is arranged at the rear of the clutch case 50. In the case of FIG. 7, it is necessary to provide the variable pitch propeller lubrication cylinder 55 for the variable pitch propeller mechanism at the portion of the propeller shaft connected to the output joint 51.

FIG. 10 shows a portion in which the hydraulic oil piping 80 is connected to the reverse hydraulic passage 65 of the reverse hydraulic clutch device. The pressure oil piping 80
Is integrally formed with the lid 82, and the external pressure oil piping 81 is communicated with the lid 82. Therefore, by removing the lid 82, the pressure oil piping 80 inside is removed.
Can be removed at the same time. Further, as shown in FIG. 11, the reverse clutch housing 12 has a mounting surface 5 provided on the side of the lower case 50c at the joining surface between the upper case 50b of the clutch case 50 and the lower case 50c.
It is placed on 0d and fixed by a fixing bolt 88.

Further, as shown in FIGS. 12 and 13, the carrier 8 is constructed as a separate body of the front carrier 8c and the rear carrier 8d, and the connection between the front carrier 8c and the rear carrier 8d of the separate body is made. It is also possible to connect them by 83 to integrally form the carrier 8. In FIG. 14, the flywheel 37 in the case of the embodiment of FIG.
The relational position between the extraction cutout portion 37a and the vibration-proof elastic body 44 is shown. Since the relationship between the extraction cutout portion 37a and the rubber block ring 10 is configured in this manner, the removal of the rubber block ring 10 after removing the rubber block ring 10 can be facilitated.

[0034]

Since the present invention is constructed as described above, it has the following effects. That is, since it is configured as in claim 1, by pulling out either the rubber block ring 10 or the rubber block spider 9 rearward, the vibration-proof elastic body 44 can be released in a detachable state. As described above, it is not necessary to lift the reversible hydraulic clutch mechanism and move it backward, or lift the engine or the flywheel 37 and move it forward to release the vibration-proof elastic body 44, which facilitates inspection and repair. It will be. Further, by pulling out the rubber block ring 10 rearward, the vibration-proof elastic body 44 and the rubber block spider 9 can be freely rotatable with respect to the flywheel 37, and the flywheel 37 is further provided with a notch 37a. Since it is provided, it is possible to remove the vibration-proof elastic body 44 at a position facing the position of the extraction notch 37a and replace it with a new one.

The rubber block spider 9 is fixed to the rear surface of the input joint 39 fixed to the input shaft 1 so that the rubber block spider 9 extends from the input joint 39.
Since the rubber block spider 9 can be pulled out rearward from the flywheel 37 together with the vibration-proof elastic body 44, it is possible to remove the rubber block spider 9 from the input joint 39 and retract it rearward. The vibration-proof elastic body 44 between can be released,
The vibration-proof elastic body 44 can be easily inspected and replaced.

According to the third aspect of the present invention, the clutch case 5 is provided with the output shaft 2 which is rotatably supported on the same shaft center as the input shaft 1 so as to be rotatable.
In the configuration of bearing 0, the bearing of the output shaft 2 includes a front small diameter conical roller bearing 48 and a rear large diameter conical roller bearing 4
Since it is constituted by the double row conical roller bearing in Fig. 9, conventionally, the load at the time of forward movement is calculated to determine the size of the conical roller bearing 49 which receives the forward load of the rear portion, and the conical roller bearing which receives the rearward load of the front side is determined. The bearing used had the same size as the one for the forward movement of the rear part, but since the load during the backward movement was small and the frequency of use was low, it was possible to use a small-sized bearing as the small diameter conical roller bearing 48. It has become. Further, as a result, the space for projecting the portion of the small diameter conical roller bearing 48 inside the clutch case 50 is reduced, so that the total length can be shortened.

[Brief description of drawings]

FIG. 1 is an overall side sectional view of a reversible hydraulic clutch mechanism for a marine engine of the present invention.

FIG. 2 is an enlarged sectional view of a forward hydraulic clutch device, a reverse hydraulic clutch device, and a planetary gear type reverse rotation mechanism portion.

3 is a sectional view taken along the line AA of FIG.

FIG. 4 Flywheel 37 and rubber block ring 1
FIG. 3 is an enlarged cross-sectional view showing the configurations of 0 and the rubber block spider 9.

FIG. 5 is a view showing another embodiment of the rubber block ring 10 and the rubber block spider 9.

FIG. 6 is a diagram showing a configuration in a case where a variable pitch propeller mechanism is provided with only a clutch mechanism and a variable pitch propeller lubrication cylinder 52 for the variable pitch propeller mechanism.

FIG. 7 is a view showing a configuration in which a variable pitch propeller oil supply cylinder 55 for a variable pitch propeller mechanism is provided outside a clutch case 50.

FIG. 8 is an external perspective view of a vibration-proof elastic body 44.

FIG. 9 is a cross-sectional view of a vibration-proof elastic body 44.

FIG. 10 is a sectional view of the inspection / repair window 50a and a portion of pressure oil piping 80 to the reverse hydraulic clutch device.

11 is a cross-sectional view taken along the line BB of FIG.

FIG. 12 is a front cross-sectional view of an embodiment in which the carrier 8 is divided into a front carrier 8c and a rear carrier 8d and integrated by a connecting body 83.

FIG. 13 is a side sectional view of a front carrier 8c and a rear carrier 8d of the same.

FIG. 14 is a rear view showing the flywheel 37 and a take-out notch 37a.

[Explanation of symbols]

 1 Input shaft 2 Output shaft 5 Reverse friction plate mechanism 6 Forward friction plate mechanism 8 Carrier 9 Rubber block spider 10 Rubber block ring

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Maeda 2-18-1 Inadera, Amagasaki City, Hyogo Pref., Kanzaki High-grade Machinery Manufacturing Co., Ltd. 1-32, Yanma Diesel Co., Ltd. (72) Inventor Koho Mizuno 1-32, Chayamachi, Kita-ku, Osaka City, Osaka Prefecture

Claims (3)

[Claims] 1. A rubber block ring 10 is fitted and fixed to the rear surface of the flywheel 37 in order to connect the input shaft 1 of the hydraulic clutch mechanism to the flywheel 37 of the engine,
The vibration-proof elastic body 44 is fitted into the fitting hole 10a of the rubber block ring 10, and the fitting groove 44a of the vibration-proof elastic body 44 is
In the configuration in which the engagement projection 9a of the rubber block spider 9 is fitted, the rubber block ring 10 can be pulled out rearward with the rubber block spider 9 and the vibration-proof elastic body 44 left, and a part of the flywheel 37 is provided. A reversible hydraulic system for a marine engine, characterized in that a take-out notch 37a is formed in the hole, and the rubber block spider 9 is rotated to the position of the take-out notch 37a so that the vibration-proof elastic body 44 can be attached and detached. Clutch mechanism. 2. The rubber block spider 9 according to claim 1 is fixed to a rear surface of an input joint 39 fixed to the input shaft 1 so that the rubber block spider 9 extends from the input joint 39.
And a reversible hydraulic clutch mechanism for a marine engine, which can be pulled out rearward from the flywheel 37 together with the vibration-proof elastic body 44. 3. In a structure in which an output shaft 2 bearing the same shaft center as that of the input shaft 1 so as to be rotatable differently from each other is supported by a clutch case 50, the bearing of the output shaft 2 is a small-diameter conical roller bearing 48 at the front portion. And a large-diameter conical roller bearing 49 at the rear portion, which is a double-row conical roller bearing, and a reversible hydraulic clutch mechanism for a marine engine.